Nat and napt configuration example – Paradyne 9788 User Manual

Page 114

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5. Configuring the FrameSaver DSL Router

5-10

December

2002

9700-A2-GB20-20

NAT and NAPT Configuration Example

The router can be configured for NAT and NAPT simultaneously.

In this NAT and NAPT example:

Multiple workstations in the private address space can use NAPT, and the
server in the private address space can use NAT.

The server may need NAT to send more than TCP/UDP traffic, or
accommodate multiple types of inbound traffic types.

For example, a Web server that uses FTP for maintenance needs access from
the public address side for HTTP and FTP using NAT.

Procedure

To configure the router for both NAPT and NAT:

1. Set up the router for NAPT. See

Network Address Port Translation

on

page 5-8.

2. Set up a static address for any host not using NAPT:

ip nat inside source static 10.1.1.1 155.22.17.1

NAT and NAPT Example

01-16923

10.1.3.1

Public

Network

Public IP

Addresses

FrameSaver

xDSL

Router

Server

10.1.1.1

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